A woman with a tattoo on the small of her back, aka tramp stamp, signifying she is of a higher sexual experience, and also most likely under the use of drugs do to the hideousness of her face, and/or her body. Usually of a lower intelligence, and sometimes borderline retarded.

I was totally about to mack on some girl, when i saw the tattoo on the small of her back, and realized she was a major ass crackwhore.